The AirTAC GR30008F2G AirTAC Air Regulator G1/4, 0.05-0.9 MPa is a genuine G-series air pressure regulator. It holds a stable downstream pressure over the range 0.05 - 0.9 MPa (7 - 130 psi) with PT1/4" ports, and ships with a pressure gauge. A regulator does not filter the air — put a GF filter upstream, or use a GFR filter regulator, when water and particulate must also be removed.
The GR30008F2G is an AirTAC GR-series air pressure regulator in size 300 with a G1/4 (BSPP) port. It does one job only: reducing and holding downstream air pressure, adjustable across 0.05-0.9 MPa (7-130 psi). This configuration carries the embedded square pressure gauge scaled in psi, includes the mounting bracket, and has no reverse/check valve fitted. The maximum inlet pressure is 1.0 MPa (145 psi), and the GR family tolerates -20 to 70 C, wider than the rest of the G series.
This is a genuine AirTAC part. The GR line spans sizes 200, 300, 400 and 600 with port sizes from 1/8 to 1 inch, optional low-pressure type, gauge scale choices, a reverse/check valve option, and G or NPT thread variants. Flow is published as curves rather than a single rated figure, so we confirm the datasheet and sizing figures on request.
| Model | GR30008F2G AirTAC Air Regulator G1/4, 0.05-0.9 MPa |
|---|---|
| Series | GR300 pressure regulator |
| Port size | PT1/4" (G (BSPP) thread) |
| Regulating range | 0.05 - 0.9 MPa (7 - 130 psi) |
| Pressure type | Standard type |
| Bracket | Fixing bracket included |
| Fluid | Compressed air |
|---|---|
| Max. working pressure | 1.0 MPa (145 psi) |
| Temperature range | -20 to +70 °C |
| Pressure gauge | Fitted — square, psi scale |
| Reflux valve | Not fitted |
| Mounting | Panel mounting; optional fixing bracket |
Specifications follow the official AirTAC G-series air-preparation data. Note the GR temperature range is -20 to +70 °C, wider than the other G-series units. A regulator has no bowl and no filter element, so there is no filtering grade. Flow curves, weight and outline dimensions are not published in our data set — ask us and we will confirm from the factory datasheet.
| GR300 | G-series pressure regulator, 300 body — sets the port range. |
|---|---|
| 08 | Port size PT1/4". This body offers 08 = PT1/4", 10 = PT3/8", 15 = PT1/2". |
| (blank) | Standard type — 0.05 - 0.9 MPa (7 - 130 psi). Blank is standard, L is the low-pressure type. |
| (blank) | Fixing bracket included. |
| (blank) | Pressure gauge fitted (blank). |
| F | Gauge shape: Square. C is round, F is square. |
| 2 | Gauge scale: psi. 1 is MPa, 2 is psi, 3 is bar. |
| G | G (BSPP) thread. PT is the default; G is BSPP and T is NPT. |
| (blank) | No reverse-flow valve (the default). |
Field order is size, port, type, bracket, gauge, gauge shape, scale, thread, reflux — a blank position takes the default. Example: GR300-08LNK is a 300 body, PT1/4", low-pressure type, no gauge, with reflux valve.
A larger body carries a larger port and holds set pressure better as flow rises. AirTAC publishes flow only as curves, so size the body from your peak demand with headroom rather than from a single rated figure.
| This model | GR300 · PT1/4" · 0.05 - 0.9 MPa (7 - 130 psi) |
|---|---|
| One size down | GR200 |
| One size up | GR400 |
| Line order | Filter first, then regulator, then lubricator |
Set and hold a stable downstream pressure for a bench-mounted pneumatic press or clamping fixture, with the psi-scaled square gauge giving the operator a direct local readout at the station.
Drop the header pressure to the level a packaging machine's cylinders and actuators were designed for, protecting seals and tooling from overpressure on a 1/4-inch branch line.
Feed a regulated low-pressure supply to air-operated instruments, sensors or pilot valves on a control panel, where the wide -20 to 70 C tolerance suits unheated plant rooms.
Pick the size by the port and flow step: 200, 300, 400 or 600, with ports from 1/8 to 1 inch - larger sizes carry more flow, and flow is published as curves, not a single rating, so ask us to confirm sizing against your application before ordering. Choose the gauge scale (MPa, psi or bar) and square embedded or optional external round gauge; this unit is square, psi. Decide on the reverse/check valve option and the thread: PT is the standard, G (BSPP, as on this model) and NPT are order options. A bracket is included, and GR can also be panel-mounted.
Quick checklist
Without a reflux valve, air cannot flow back through the regulator — order the K option if reverse flow is required. A regulator does not remove water or particulate; that is the filter's job.
AirTAC publishes GR flow as performance curves rather than a single rated figure, so we do not quote a number here. Tell us your inlet pressure, set pressure and expected air demand, and we will confirm the sizing against the datasheet curves on request before you order.
The code spells it out: F selects the embedded square gauge, 2 sets its scale to psi, and the trailing G specifies a G (BSPP) thread. PT is the catalogue standard thread, while G and NPT are options you order - this unit is simply built that way. If you need bar or MPa scaling, or an NPT port, ask us for the matching variant.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity, thread type (PT / G / NPT), gauge scale and destination. We confirm price, availability and lead time — usually within 7-8 hours.